0001 What: /sys/class/pps/
0002 Date: February 2008
0003 Contact: Rodolfo Giometti <giometti@linux.it>
0004 Description:
0005 The /sys/class/pps/ directory will contain files and
0006 directories that will provide a unified interface to
0007 the PPS sources.
0008
0009 What: /sys/class/pps/ppsX/
0010 Date: February 2008
0011 Contact: Rodolfo Giometti <giometti@linux.it>
0012 Description:
0013 The /sys/class/pps/ppsX/ directory is related to X-th
0014 PPS source into the system. Each directory will
0015 contain files to manage and control its PPS source.
0016
0017 What: /sys/class/pps/ppsX/assert
0018 Date: February 2008
0019 Contact: Rodolfo Giometti <giometti@linux.it>
0020 Description:
0021 The /sys/class/pps/ppsX/assert file reports the assert events
0022 and the assert sequence number of the X-th source in the form:
0023
0024 <secs>.<nsec>#<sequence>
0025
0026 If the source has no assert events the content of this file
0027 is empty.
0028
0029 What: /sys/class/pps/ppsX/clear
0030 Date: February 2008
0031 Contact: Rodolfo Giometti <giometti@linux.it>
0032 Description:
0033 The /sys/class/pps/ppsX/clear file reports the clear events
0034 and the clear sequence number of the X-th source in the form:
0035
0036 <secs>.<nsec>#<sequence>
0037
0038 If the source has no clear events the content of this file
0039 is empty.
0040
0041 What: /sys/class/pps/ppsX/mode
0042 Date: February 2008
0043 Contact: Rodolfo Giometti <giometti@linux.it>
0044 Description:
0045 The /sys/class/pps/ppsX/mode file reports the functioning
0046 mode of the X-th source in hexadecimal encoding.
0047
0048 Please, refer to linux/include/linux/pps.h for further
0049 info.
0050
0051 What: /sys/class/pps/ppsX/echo
0052 Date: February 2008
0053 Contact: Rodolfo Giometti <giometti@linux.it>
0054 Description:
0055 The /sys/class/pps/ppsX/echo file reports if the X-th does
0056 or does not support an "echo" function.
0057
0058 What: /sys/class/pps/ppsX/name
0059 Date: February 2008
0060 Contact: Rodolfo Giometti <giometti@linux.it>
0061 Description:
0062 The /sys/class/pps/ppsX/name file reports the name of the
0063 X-th source.
0064
0065 What: /sys/class/pps/ppsX/path
0066 Date: February 2008
0067 Contact: Rodolfo Giometti <giometti@linux.it>
0068 Description:
0069 The /sys/class/pps/ppsX/path file reports the path name of
0070 the device connected with the X-th source.
0071
0072 If the source is not connected with any device the content
0073 of this file is empty.
